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the impact of encoding on performance.

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Hi All

Snip <<<
The drawback of using locales other than C or POSIX in PostgreSQL is its performance impact. It slows character handling and prevents ordinary indexes from being used by LIKE. For this reason use locales only if you actually need them.
snip;


What is the impact of the locale on the server ? is it irelevant, small or huge ?

Encoding of the DB impact performance too ? UTF8, 8859-8 ?

Thanks

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